Share Sound not working

[omgonz]

I regularly use zoom for work and have for three years with little issue.

Generally, my boss shares his screen so I can have remote access to do our work. He would also share his computer's sound so I can hear all of the audio that we are editing.
Recently, he claims the share sound option has disappeared when he shares his screen. And that as soon as he hits the green "share screen" button, it immediately begins sharing and does not allow him to choose a screen to share or hit the checkbox to share his computer audio. I can hear him just fine, just not his computer sound. (As it is, I can only hear his computer audio as it comes out of his speakers and then back through his microphone, so the sound is very inconsistent for me and is sometimes completely silent.)

It's difficult for me to troubleshoot the issue for him as I cannot see his screen when he shares it, therefore I'm not entirely sure what the issue is that he's facing, other than how he's described it.

I'm hoping someone might have a solution for this that I can pass along to him.

[storyhub]

Need more info about his device, OS, and is it the latest version of Zoom. On my windows 11, windows 10, ipad, and iphone I see no such issue with the latest versions.